7MMS

Crystal Structure of the Class Ie Ribonucleotide Reductase Beta-NrdI complex from Aerococcus urinae in Semiquinone Form with Cu(I) bound

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Ribonucleoside-diphosphate reductase	polymer	342	39321.0	4	UniProt (F2I8X9) Pfam (PF00268)	Aerococcus urinae (strain ACS-120-V-Col10a)
2	E, F, G, H (E, G, F, H)	Protein NrdI	polymer	147	16486.5	4	UniProt (A0A178HGH7) Pfam (PF07972) UniProt (by SIFTS) (F2I8Y0)	Aerococcus urinae
3	I, M, Q, S (A, B, C)	COPPER (I) ION	non-polymer		63.5	4	Chemie (CU1)
4	AA, J, K, N, O... (F, A, B, C, D...)	GLYCEROL	non-polymer		92.1	9	Chemie (GOL)
5	L, P, T (A, B, C)	CALCIUM ION	non-polymer		40.1	3	Chemie (CA)
6	BA, V, X, Z (H, E, G, F)	1-DEOXY-1-(7,8-DIMETHYL-2,4-DIOXO-3,4-DIHYDRO-2H-BENZO[G]PTERIDIN-1-ID-10(5H)-YL)-5-O-PHOSPHONATO-D-RIBITOL	non-polymer		458.4	4	Chemie (FNR)
7	CA, DA, EA, FA, GA... (A, B, C, D, E...)	water	water		18.0	604	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 337 (UniProt: F2I8X9)

PDB	External Database	Details
Ser -4	-	expression tag
Asn -3	-	expression tag
Ile -2	-	expression tag
Leu -1	-	expression tag
Glu 0	-	expression tag

E, G, F, H: 1 - 142 (UniProt: A0A178HGH7)

PDB	External Database	Details
Ser -4	-	expression tag
Asn -3	-	expression tag
Ile -2	-	expression tag
Leu -1	-	expression tag
Glu 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	223229.8
Non-Polymers*	Number of molecules	20
	Total formula weight	3036.7
All*	Total formula weight	226266.5

*Water molecules are not included.